<template>
    <view class="uni-steps">
        <view :class="[direction === 'column' ? 'uni-steps__column' : 'uni-steps__row']">
            <view
                :class="[direction === 'column' ? 'uni-steps__column-text-container' : 'uni-steps__row-text-container']">
                <view v-for="(item, index) in options" :key="index"
                    :class="[direction === 'column' ? 'uni-steps__column-text' : 'uni-steps__row-text']">
                    <text :style="{ color: index === active ? activeColor : deactiveColor }"
                        :class="[direction === 'column' ? 'uni-steps__column-title' : 'uni-steps__row-title']">{{
                            item.title }}</text>
                    <text :style="{ color: deactiveColor }"
                        :class="[direction === 'column' ? 'uni-steps__column-desc' : 'uni-steps__row-desc']">{{
                            item.desc }}</text>
                    <text :style="{ color: deactiveColor }"
                        :class="[direction === 'column' ? 'uni-steps__column-desc' : 'uni-steps__row-desc']">{{
                            item.desc1 }}</text>
                </view>
            </view>
            <view :class="[direction === 'column' ? 'uni-steps__column-container' : 'uni-steps__row-container']">
                <view :class="[direction === 'column' ? 'uni-steps__column-line-item' : 'uni-steps__row-line-item']"
                    v-for="(item, index) in options" :key="index">
                    <view
                        :class="[direction === 'column' ? 'uni-steps__column-line' : 'uni-steps__row-line', direction === 'column' ? 'uni-steps__column-line--before' : 'uni-steps__row-line--before']"
                        :style="{ backgroundColor: index <= active && index !== 0 ? activeColor : index === 0 ? 'transparent' : deactiveColor }">
                    </view>
                    <view :class="[direction === 'column' ? 'uni-steps__column-check' : 'uni-steps__row-check']"
                        v-if="index === active">
                        <uni-icons :color="activeColor" :type="activeIcon" size="14"></uni-icons>
                    </view>
                    <view v-else
                        :class="[direction === 'column' ? 'uni-steps__column-circle' : 'uni-steps__row-circle']"
                        :style="{ backgroundColor: index < active ? activeColor : deactiveColor }"></view>
                    <view
                        :class="[direction === 'column' ? 'uni-steps__column-line' : 'uni-steps__row-line', direction === 'column' ? 'uni-steps__column-line--after' : 'uni-steps__row-line--after']"
                        :style="{ backgroundColor: index < active && index !== options.length - 1 ? activeColor : index === options.length - 1 ? 'transparent' : deactiveColor }">
                    </view>
                </view>
            </view>
        </view>
    </view>
</template>

<script>
/**
 * Steps 步骤条
 * @description 评分组件
 * @tutorial https://ext.dcloud.net.cn/plugin?id=34
 * @property {Number} active 当前步骤
 * @property {String} direction = [row|column] 当前步骤
 * 	@value row 横向
 * 	@value column 纵向
 * @property {String} activeColor 选中状态的颜色
 * @property {Array} options 数据源，格式为：[{title:'xxx',desc:'xxx'},{title:'xxx',desc:'xxx'}]
 */

export default {
    name: 'UniSteps',
    props: {
        direction: {
            // 排列方向 row column
            type: String,
            default: 'row'
        },
        activeColor: {
            // 激活状态颜色
            type: String,
            default: '#2979FF'
        },
        deactiveColor: {
            // 未激活状态颜色
            type: String,
            default: '#B7BDC6'
        },
        active: {
            // 当前步骤
            type: Number,
            default: 0
        },
        activeIcon: {
            // 当前步骤
            type: String,
            default: 'checkbox-filled'
        },
        options: {
            type: Array,
            default() {
                return []
            }
        } // 数据
    },
    data() {
        return {}
    }
}
</script>

<style lang="scss">
$uni-primary: #2979ff !default;
$uni-border-color: #EDEDED;

.uni-steps {
    /* #ifndef APP-NVUE */
    display: flex;
    width: 100%;
    /* #endif */
    /* #ifdef APP-NVUE */
    flex: 1;
    /* #endif */
    flex-direction: column;
}

.uni-steps__row {
    /* #ifndef APP-NVUE */
    display: flex;
    /* #endif */
    flex-direction: column;
}

.uni-steps__column {
    /* #ifndef APP-NVUE */
    display: flex;
    /* #endif */
    flex-direction: row-reverse;
}

.uni-steps__row-text-container {
    /* #ifndef APP-NVUE */
    display: flex;
    /* #endif */
    flex-direction: row;
    align-items: flex-end;
    margin-bottom: 8px;
}

.uni-steps__column-text-container {
    /* #ifndef APP-NVUE */
    display: flex;
    /* #endif */
    flex-direction: column;
    flex: 1;
}

.uni-steps__row-text {
    /* #ifndef APP-NVUE */
    display: inline-flex;
    /* #endif */
    flex: 1;
    flex-direction: column;
}

.uni-steps__column-text {
    padding: 6px 0px;
    border-bottom-style: solid;
    border-bottom-width: 1px;
    border-bottom-color: $uni-border-color;
    /* #ifndef APP-NVUE */
    display: flex;
    /* #endif */
    flex-direction: column;
}

.uni-steps__row-title {
    font-size: 14px;
    line-height: 16px;
    text-align: center;
}

.uni-steps__column-title {
    font-size: 14px;
    text-align: left;
    line-height: 18px;
}

.uni-steps__row-desc {
    font-size: 12px;
    line-height: 14px;
    text-align: center;
}

.uni-steps__column-desc {
    font-size: 12px;
    text-align: left;
    line-height: 18px;
}

.uni-steps__row-container {
    /* #ifndef APP-NVUE */
    display: flex;
    /* #endif */
    flex-direction: row;
}

.uni-steps__column-container {
    /* #ifndef APP-NVUE */
    display: inline-flex;
    /* #endif */
    width: 30px;
    flex-direction: column;
}

.uni-steps__row-line-item {
    /* #ifndef APP-NVUE */
    display: inline-flex;
    /* #endif */
    flex-direction: row;
    flex: 1;
    height: 14px;
    line-height: 14px;
    align-items: center;
    justify-content: center;
}

.uni-steps__column-line-item {
    /* #ifndef APP-NVUE */
    display: flex;
    /* #endif */
    flex-direction: column;
    flex: 1;
    align-items: center;
    justify-content: center;
}

.uni-steps__row-line {
    flex: 1;
    height: 1px;
    background-color: #B7BDC6;
}

.uni-steps__column-line {
    width: 1px;
    background-color: #B7BDC6;
}

.uni-steps__row-line--after {
    transform: translateX(1px);
}

.uni-steps__column-line--after {
    flex: 1;
    transform: translate(0px, 1px);
}

.uni-steps__row-line--before {
    transform: translateX(-1px);
}

.uni-steps__column-line--before {
    height: 6px;
    transform: translate(0px, -13px);
}

.uni-steps__row-circle {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: #B7BDC6;
    margin: 0px 3px;
}

.uni-steps__column-circle {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: #B7BDC6;
    margin: 4px 0px 5px 0px;
}

.uni-steps__row-check {
    margin: 0px 6px;
}

.uni-steps__column-check {
    height: 14px;
    line-height: 14px;
    margin: 2px 0px;
}
</style>
